uvm_fault(0xfffffd805f012dd0, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd805f012dd0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d772d80, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b1c800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0aa00,ffff800000aee700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b1c800,ffff80001d772f98) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd805da75c88,80286987,ffff80001d772f80,ffff80001d6c3878) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d6c3878,ffff80001d773098,ffff80001d7730e0) at sys_ioctl+0x4a1 syscall(ffff80001d773160) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ab132c1510, count: -9 ddb> show registers rdi 0xffffffff81ab1737 pfi_address_add+0x1e7 rsi 0x15af __ALIGN_SIZE+0x5af rbp 0xffff80001d772ce0 rbx 0 rdx 0x15b0 __ALIGN_SIZE+0x5b0 rcx 0xffff80001d78e000 rax 0 r8 0xffffffff81ab0ff1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x2aa20f68d292f92e r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81ab173b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d772c70 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=382355 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c2288,0xffffffff827f75e0 process=0xffff80001d6c4750 user=0xffff80001d76e000, vmspace=0xfffffd805f012dd0 estcpu=13, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 93273 399128 85671 0 2 0 syz-executor.0 *93273 382355 85671 0 7 0x4000000 syz-executor.0 85671 30808 30705 0 3 0x82 nanosleep syz-executor.0 85525 105973 0 0 3 0x14200 bored sosplice 31753 465065 30705 0 2 0x2 syz-executor.1 36444 28298 0 0 3 0x14200 acct acct 30705 453958 43958 0 3 0x82 thrsleep syz-fuzzer 30705 61330 43958 0 2 0x4000002 syz-fuzzer 30705 120120 43958 0 3 0x4000082 kqread syz-fuzzer 30705 41737 43958 0 3 0x4000082 thrsleep syz-fuzzer 30705 515142 43958 0 3 0x4000082 thrsleep syz-fuzzer 30705 253515 43958 0 3 0x4000082 thrsleep syz-fuzzer 30705 77517 43958 0 3 0x4000082 thrsleep syz-fuzzer 30705 522199 43958 0 3 0x4000082 thrsleep syz-fuzzer 43958 120885 58570 0 3 0x10008a pause ksh 58570 347471 33801 0 3 0x92 select sshd 64173 85764 1 0 3 0x100083 ttyin getty 33801 259270 1 0 3 0x80 select sshd 14458 383401 61577 73 3 0x100090 kqread syslogd 61577 275725 1 0 3 0x100082 netio syslogd 9990 255676 1 77 3 0x100090 poll dhclient 67989 289120 1 0 3 0x80 poll dhclient 48072 128596 0 0 3 0x14200 bored smr 75585 67699 0 0 2 0x14200 zerothread 70232 65842 0 0 3 0x14200 aiodoned aiodoned 52667 232804 0 0 3 0x14200 syncer update 45089 202765 0 0 3 0x14200 cleaner cleaner 72342 439368 0 0 3 0x14200 reaper reaper 3412 269144 0 0 3 0x14200 pgdaemon pagedaemon 47336 157697 0 0 3 0x14200 bored crynlk 11475 197778 0 0 3 0x14200 bored crypto 42547 455611 0 0 3 0x40014200 acpi0 acpi0 3277 328838 0 0 3 0x14200 bored softnet 73646 48306 0 0 3 0x14200 bored systqmp 24218 312248 0 0 3 0x14200 bored systq 1306 434447 0 0 3 0x40014200 bored softclock 1638 248693 0 0 3 0x40014200 idle0 1 447175 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9503 6361K 6759K 78643K 11708 0 pcb 13 8K 8K 78643K 123 0 rtable 159 16K 18K 78643K 817 0 ifaddr 92 19K 19K 78643K 232 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 31 0 ioctlops 0 0K 4K 78643K 148 0 iov 0 0K 32K 78643K 107 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1680 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 190 0 dirhash 9 1K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 867 0 sigio 0 0K 0K 78643K 12 0 proc 51 38K 55K 78643K 528 0 subproc 32 2K 2K 78643K 87 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 58 0 in_multi 76 3K 3K 78643K 256 0 ether_multi 1 0K 0K 78643K 17 0 mrt 0 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 271 0 pfkey data 0 0K 1K 78643K 4 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 124 87K 96K 78643K 2947 0 UVM aobj 40 4K 4K 78643K 49 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 88 0 NDP 12 0K 0K 78643K 52 0 temp 115 3864K 3930K 78643K 20126 0 kqueue 3 4K 22K 78643K 39 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 14 0 8 1 0 1 1 0 8 0 rtpcb 80 59 0 57 1 0 1 1 0 8 0 rtentry 112 126 0 84 2 0 2 2 0 8 0 unpcb 120 317 0 309 1 0 1 1 0 8 0 syncache 264 12 0 12 6 5 1 1 0 8 1 tcpqe 32 142 0 142 2 2 0 1 0 8 0 tcpcb 544 242 0 238 1 0 1 1 0 8 0 ipq 40 3 0 3 2 2 0 1 0 8 0 ipqe 40 53 0 53 2 2 0 1 0 8 0 inpcb 296 1325 0 1317 7 5 2 2 0 8 0 rttmr 72 3 0 3 1 1 0 1 0 8 0 nd6 48 43 0 38 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pfrke_plain 160 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 160 0 134 5 2 3 3 0 8 0 pftag 88 20 0 18 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 5 0 3 1 0 1 1 0 8 0 pfstate 328 3 0 2 1 0 1 1 0 8 0 pfrule 1360 47 0 21 3 0 3 3 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 457 0 263 15 2 13 14 0 8 0 art_table 32 459 0 263 2 0 2 2 0 8 0 art_node 16 125 0 87 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 16 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 182 0 172 1 0 1 1 0 8 0 shmpl 112 46 0 9 3 1 2 2 0 8 0 dirhash 1024 17 0 10 3 0 3 3 0 8 1 dino2pl 256 2515 0 1116 88 0 88 88 0 8 0 ffsino 240 2515 0 1116 83 0 83 83 0 8 0 nchpl 144 3865 0 2277 60 0 60 60 0 8 0 rtmask 32 4 0 2 1 0 1 1 0 8 0 uvmvnodes 72 2867 0 0 53 0 53 53 0 8 0 vnodes 208 2867 0 0 151 0 151 151 0 8 0 namei 1024 13101 0 13101 5 4 1 1 0 8 1 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 528 10 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 64 0 36 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 11643 0 11643 2 1 1 1 0 8 1 plimitpl 152 78 0 71 1 0 1 1 0 8 0 sigapl 424 1046 0 1016 4 0 4 4 0 8 0 futexpl 56 17807 0 17807 5 4 1 1 0 8 1 knotepl 112 196 0 177 2 1 1 2 0 8 0 kqueuepl 144 173 0 170 1 0 1 1 0 8 0 pipepl 272 217 0 207 2 1 1 2 0 8 0 fdescpl 432 1030 0 1016 2 0 2 2 0 8 0 filepl 120 7646 0 7550 4 0 4 4 0 8 0 lockfpl 104 278 0 277 1 0 1 1 0 8 0 lockfspl 48 96 0 95 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 2325 0 2318 1 0 1 1 0 8 0 zombiepl 144 1016 0 1016 1 0 1 1 0 8 1 processpl 928 1046 0 1016 5 1 4 5 0 8 0 procpl 624 2050 0 2012 4 0 4 4 0 8 0 sosppl 128 8 0 8 4 4 0 1 0 8 0 sockpl 400 1726 0 1708 8 5 3 4 0 8 1 mcl64k 65536 86 0 86 8 7 1 1 0 8 1 mcl16k 16384 5 0 5 3 3 0 1 0 8 0 mcl12k 12288 30 0 30 9 8 1 1 0 8 1 mcl9k 9216 16 0 16 11 11 0 1 0 8 0 mcl8k 8192 48 0 48 9 8 1 1 0 8 1 mcl4k 4096 92 0 92 8 7 1 1 0 8 1 mcl2k2 2112 5 0 5 5 4 1 1 0 8 1 mcl2k 2048 86811 0 86763 17 10 7 13 0 8 0 mtagpl 96 118 0 47 3 1 2 2 0 8 0 mbufpl 256 143871 0 143459 34 6 28 28 0 8 0 bufpl 280 5260 0 131 367 0 367 367 0 8 0 anonpl 16 117555 0 101426 85 8 77 77 0 107 0 amapchunkpl 152 5120 0 4984 26 13 13 13 0 158 5 amappl16 192 4394 0 3349 59 5 54 54 0 8 1 amappl15 184 2 0 0 1 0 1 1 0 8 0 amappl14 176 362 0 358 1 0 1 1 0 8 0 amappl13 168 275 0 271 1 0 1 1 0 8 0 amappl12 160 228 0 227 1 0 1 1 0 8 0 amappl11 152 57 0 48 1 0 1 1 0 8 0 amappl10 144 215 0 210 1 0 1 1 0 8 0 amappl9 136 423 0 419 1 0 1 1 0 8 0 amappl8 128 367 0 339 1 0 1 1 0 8 0 amappl7 120 325 0 311 1 0 1 1 0 8 0 amappl6 112 26 0 22 1 0 1 1 0 8 0 amappl5 104 774 0 763 1 0 1 1 0 8 0 amappl4 96 745 0 715 1 0 1 1 0 8 0 amappl3 88 680 0 675 1 0 1 1 0 8 0 amappl2 80 7266 0 7199 2 0 2 2 0 8 0 amappl1 72 32524 0 32108 24 15 9 17 0 8 0 amappl 80 2344 0 2299 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 48 0 9 1 0 1 1 0 8 0 uaddrrnd 24 1040 0 1016 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1040 0 1016 1 0 1 1 0 8 0 vmmpekpl 168 10524 0 10490 2 0 2 2 0 8 0 vmmpepl 168 132781 0 130618 189 87 102 132 0 357 6 vmsppl 272 1039 0 1016 4 2 2 2 0 8 0 pdppl 4096 2086 0 2042 8 2 6 7 0 8 0 pvpl 32 322496 0 303590 207 30 177 180 0 265 0 pmappl 200 1039 0 1016 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 307 0 59 8 0 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b1c800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0aa00,ffff800000aee700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b1c800,ffff80001d772f98) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd805da75c88,80286987,ffff80001d772f80,ffff80001d6c3878) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d6c3878,ffff80001d773098,ffff80001d7730e0) at sys_ioctl+0x4a1 syscall(ffff80001d773160) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ab132c1510, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000b1c800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000b0aa00,ffff800000aee700,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000aee700) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000b1c800,ffff80001d772f98) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd805da75c88,80286987,ffff80001d772f80,ffff80001d6c3878) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d6c3878,ffff80001d773098,ffff80001d7730e0) at sys_ioctl+0x4a1 syscall(ffff80001d773160) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ab132c1510, count: -9